static void usage(const char * progname)
{
static const char firewire_args[] =
"[-c CARD-NUMBER | DEVICE]";
static const char v4l2_args[] = "[DEVICE]";
static const char other_args[] =
"[-t] [-h HOST] [-p PORT] [-i ID]";
switch (program_mode(progname))
{
case mode_unknown:
fprintf(stderr,
"Usage: %s %s \\\n"
" --firewire %s\n"
" %s %s \\\n"
" --v4l2 %s\n",
progname, other_args, firewire_args,
progname, other_args, v4l2_args);
break;
case mode_firewire:
fprintf(stderr,
"Usage: %s %s \\\n"
" %s\n",
progname, other_args, firewire_args);
break;
case mode_v4l2:
fprintf(stderr,
"Usage: %s %s \\\n"
" %s\n",
progname, other_args, v4l2_args);
break;
}
}
int main(void)
{
/* USER CODE BEGIN 1 */
my_usb_init();
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_TIM1_Init();
MX_USB_DEVICE_Init();
MX_USART3_UART_Init();
MX_TIM2_Init();
/* USER CODE BEGIN 2 */
HAL_TIM_Base_Start(&htim2);
delay_us_init(&htim2);
softserial_init(SOFTSERIAL_TX_GPIO_Port, SOFTSERIAL_TX_Pin);
hmi_lcd_init(&huart3);
cpu_ctrl_init(&htim1);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
HAL_Delay(100);
hsc_stop();
cpu_reset();
lcd_clear();
addr_input();
data_input();
build_ui();
HAL_Delay(100);
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(is_running == 0)
addr_data_display_update();
// z80 reset button
if(is_button_1_pressed)
{
hsc_stop();
cpu_reset();
lcd_print_width(130, 110, 180, 45, "CYAN", "RESET");
is_button_1_pressed = 0;
HAL_Delay(500);
build_ui();
}
// clk step button
if(is_button_3_pressed)
{
hsc_stop();
cycle_clock(1);
lcd_print_width(130, 110, 180, 45, "RED", "CLK STEP");
is_button_3_pressed = 0;
HAL_Delay(100);
build_ui();
}
// ins step button
if(is_button_4_pressed)
{
hsc_stop();
lcd_print_width(130, 110, 180, 45, "GREEN", "INS STEP");
// cycle clock until we're at next M1 cycle
while(HAL_GPIO_ReadPin(CPU_CTRL_PORT, M1_Pin) == LOW)
cycle_clock(1);
while(HAL_GPIO_ReadPin(CPU_CTRL_PORT, M1_Pin) == HIGH)
cycle_clock(1);
is_button_4_pressed = 0;
HAL_Delay(100);
build_ui();
}
// run/stop button
if(is_button_5_pressed)
{
is_running = (is_running + 1) % 2;
if(is_running)
{
lcd_print_width(130, 110, 180, 45, "GREEN", "RUNNING");
hsc_start();
}
else
{
hsc_stop();
build_ui();
}
is_button_5_pressed = 0;
}
usb_data = my_usb_readline();
if(usb_data != NULL && strstr(usb_data, "epm") != NULL)
{
hsc_stop();
program_mode();
build_ui();
}
}
/* USER CODE END 3 */
}
int main(int argc, char ** argv)
{
mode = program_mode(argv[0]);
/* Initialise settings from configuration files. */
dvswitch_read_config(handle_config);
/* Parse arguments. */
int opt;
while ((opt = getopt_long(argc, argv, "c:h:p:i:t", options, NULL)) != -1)
{
switch (opt)
{
case 'c':
free(firewire_card);
firewire_card = strdup(optarg);
break;
case 'F':
mode = mode_firewire;
break;
case 'V':
mode = mode_v4l2;
break;
case 'h':
free(mixer_host);
mixer_host = strdup(optarg);
break;
case 'p':
free(mixer_port);
mixer_port = strdup(optarg);
break;
case 't':
do_tally = 1;
break;
case 'i':
{
long id = strtoul(optarg, NULL, 10);
mixer_id = (id < 255) ? id-1 : 255;
}
break;
case 'H': /* --help */
usage(argv[0]);
return 0;
default:
usage(argv[0]);
return 2;
}
}
if (optind != argc)
{
free(device_name);
device_name = strdup(argv[optind++]);
}
if (!mixer_host || !mixer_port)
{
fprintf(stderr, "%s: mixer hostname and port not defined\n",
argv[0]);
return 2;
}
if (optind != argc)
{
fprintf(stderr, "%s: excess argument \"%s\"\n",
argv[0], argv[optind]);
usage(argv[0]);
return 2;
}
if (mode == mode_firewire)
{
if (device_name)
printf("INFO: Reading from Firewire device %s\n", device_name);
else if (firewire_card)
printf("INFO: Reading from Firewire card %s\n", firewire_card);
else
printf("INFO: Reading from first Firewire card with camera\n");
}
else if (mode == mode_v4l2)
{
if (!device_name)
device_name = "/dev/video";
printf("INFO: Reading from V4L2 device %s\n", device_name);
}
else
{
fprintf(stderr, "%s: mode not defined (Firewire or V4L2)\n", argv[0]);
return 2;
}
/* Connect to the mixer, set that as stdout, and run dvgrab. */
printf("INFO: Connecting to %s:%s\n", mixer_host, mixer_port);
int sock = create_connected_socket(mixer_host, mixer_port);
assert(sock >= 0); /* create_connected_socket() should handle errors */
if (write(sock, do_tally ? GREETING_ACT_SOURCE : GREETING_SOURCE,
GREETING_SIZE-1) != GREETING_SIZE-1)
{
perror("ERROR: write");
exit(1);
}
if (write(sock, &mixer_id, sizeof(mixer_id)) != sizeof(mixer_id))
{
perror("ERROR: write");
exit(1);
}
if (do_tally)
{
fflush(NULL);
int child_pid = fork();
if (child_pid < 0)
{
perror("ERROR: fork");
return 1;
}
if (child_pid == 0)
{
tally(sock);
_exit(0);
}
}
if (dup2(sock, STDOUT_FILENO) < 0)
{
perror("ERROR: dup2");
return 1;
}
close(sock);
char * dvgrab_argv[7];
char ** argp = dvgrab_argv;
*argp++ = "dvgrab";
if (mode == mode_v4l2)
*argp++ = "-v4l2";
if (device_name)
{
*argp++ = "-input";
*argp++ = device_name;
}
else if (firewire_card)
{
*argp++ = "-card";
*argp++ = firewire_card;
}
*argp++ = "-noavc";
*argp++ = "-";
*argp = NULL;
assert(argp < dvgrab_argv + sizeof(dvgrab_argv) / sizeof(dvgrab_argv[0]));
execvp("dvgrab", dvgrab_argv);
perror("ERROR: execvp");
return 1;
}
